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|
{ config, lib, pkgs, ... }:
with builtins;
with lib;
let
cfg = config.lass.kapacitor;
out = {
options.lass.kapacitor = api;
config = mkIf cfg.enable imp;
};
api = {
enable = mkEnableOption "kapacitor";
dataDir = mkOption {
type = types.str;
default = "/var/lib/kapacitor";
};
user = mkOption {
type = types.str;
default = "kapacitor";
};
logLevel = mkOption {
type = types.enum ["DEBUG" "INFO" "WARN" "ERROR" "OFF"];
default = "INFO";
};
alarms = mkOption {
type = with types; attrsOf str;
default = {};
};
check_db = mkOption {
type = types.str;
default = "all_data";
};
config = mkOption {
type = types.str;
#TODO: find a good default
default = ''
hostname = "localhost"
data_dir = "${cfg.dataDir}"
[http]
bind-address = ":9092"
auth-enabled = false
log-enabled = true
write-tracing = false
pprof-enabled = false
https-enabled = false
https-certificate = "/etc/ssl/kapacitor.pem"
shutdown-timeout = "10s"
shared-secret = ""
[replay]
dir = "${cfg.dataDir}/replay"
[storage]
boltdb = "${cfg.dataDir}/kapacitor.db"
[task]
dir = "${cfg.dataDir}/tasks"
snapshot-interval = "1m0s"
[[influxdb]]
enabled = true
name = "default"
default = false
urls = ["http://localhost:8086"]
username = ""
password = ""
ssl-ca = ""
ssl-cert = ""
ssl-key = ""
insecure-skip-verify = false
timeout = "0s"
disable-subscriptions = false
subscription-protocol = "http"
udp-bind = ""
udp-buffer = 1000
udp-read-buffer = 0
startup-timeout = "5m0s"
subscriptions-sync-interval = "1m0s"
[influxdb.subscriptions]
[influxdb.excluded-subscriptions]
_kapacitor = ["autogen"]
[logging]
file = "STDERR"
level = "${cfg.logLevel}"
[deadman]
interval = "10s"
threshold = 0.0
id = "{{ .Group }}:NODE_NAME for task '{{ .TaskName }}'"
message = "{{ .ID }} is {{ if eq .Level \"OK\" }}alive{{ else }}dead{{ end }}: {{ index .Fields \"emitted\" | printf \"%0.3f\" }} points/INTERVAL."
global = false
'';
description = "configuration kapacitor is started with";
};
};
configFile = pkgs.writeText "kapacitor.conf" cfg.config;
imp = {
systemd.services.kapacitor = {
description = "kapacitor";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
restartIfChanged = true;
serviceConfig = {
Restart = "always";
ExecStart = "${pkgs.kapacitor}/bin/kapacitord -config ${configFile}";
};
};
systemd.services.kapacitor-alarms = {
description = "kapacitor-alarms";
after = [ "kapacitor.service" ];
wantedBy = [ "multi-user.target" ];
restartIfChanged = true;
serviceConfig = {
Type = "oneshot";
ExecStart = pkgs.writeDash "add_alarms" ''
${pkgs.kapacitor}/bin/kapacitor delete tasks \*
${concatStrings (mapAttrsToList (name: alarm: ''
${pkgs.kapacitor}/bin/kapacitor define ${name} \
-type batch \
-tick ${pkgs.writeText "${name}.tick" alarm} \
-dbrp ${cfg.check_db}.default
${pkgs.kapacitor}/bin/kapacitor enable ${name}
'') cfg.alarms)}
'';
};
};
};
in out
|
